Vacuum tube case



FIG. 1 is a front perspective view of a vacuum tube case, showing my newdesign;

FIG. 2 is a front view of the vacuum tube case of FIG. 1;

FIG. 3 is a rear view of the vacuum tube case of FIG. 1;

FIG. 4 is a left-side view of the vacuum tube case of FIG. 1;

FIG. 5 is a right-side view of the vacuum tube case of FIG. 1;

FIG. 6 is a top plan view of the vacuum tube case of FIG. 1; and,

FIG. 7 is a bottom plan view of the vacuum tube case of FIG. 1.

Features shown in broken lines in FIGS. 1, 2, 3, 4, 5, 6, and 7, form nopart of the claimed design.

CLAIM The ornamental design for a vacuum tube case, as shown anddescribed.